Publish playground to gh-pages

.travis.yml

@@ -6,3 +6,19 @@ sudo: false
 cache:
   directories:
   - node_modules
+after_script:
+- |
+  # RELEASE_BRANCHES and NPM_TOKEN defined in Travis settings panel
+  declare exitCode
+  $(npm bin)/travis-after-all
+  exitCode=$?
+  if [[
+    $exitCode = 0 &&
+    $RELEASE_BRANCHES =~ $TRAVIS_BRANCH &&
+    $TRAVIS_PULL_REQUEST = "false"
+  ]]; then
+    ./node_modules/.bin/gh-pages -x -r https://${GH_TOKEN}@github.com/${TRAVIS_REPO_SLUG}.git -d playground -m "Travis build ${TRAVIS_BUILD_NUMBER}"
+    git config --global user.email $(git log --pretty=format:"%ce" -n1)
+    git config --global user.name $(git log --pretty=format:"%cn" -n1)
+    ./node_modules/.bin/gh-pages -x -r https://${GH_TOKEN}@github.com/${TRAVIS_REPO_SLUG}.git -d playground -m "Build for $(git log --pretty=format:%H)"
+  fi

package.json

@@ -20,6 +20,7 @@
     "copy-webpack-plugin": "3.0.1",
     "eslint": "2.7.0",
     "expose-loader": "0.7.1",
+    "gh-pages": "0.11.0",
     "highlightjs": "8.7.0",
     "htmlparser2": "3.9.0",
     "json-loader": "0.5.4",
@@ -30,6 +31,7 @@
     "script-loader": "0.7.0",
     "stats.js": "0.16.0",
     "tap": "5.7.1",
+    "travis-after-all": "1.4.4",
     "webpack": "1.13.0",
     "webpack-dev-server": "1.14.1"
   }